From 46c7d448f27e8fc213c50cd241914b2d94e2e308 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 10 Aug 2020 20:47:11 +0300
Subject: Fix bash coprocess usage races

---
 libbutl/manifest-serializer.bash.in | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'libbutl/manifest-serializer.bash.in')

diff --git a/libbutl/manifest-serializer.bash.in b/libbutl/manifest-serializer.bash.in
index fa6b94a..ce99779 100644
--- a/libbutl/manifest-serializer.bash.in
+++ b/libbutl/manifest-serializer.bash.in
@@ -64,9 +64,14 @@ function butl_manifest_serializer_start () # [--long-lines] [<file>]
 
   # See notes in butl_manifest_parser_start() on bash co-process issues.
   #
-  coproc { butl_serialize_manifest "${ops[@]}"; } >&"$butl_manifest_serializer_ofd"
+  coproc { kill -SIGSTOP $BASHPID; \
+           exec "$(butl_path)/manifest" "${ops[@]}" serialize; } \
+         >&"$butl_manifest_serializer_ofd"
+
   butl_manifest_serializer_ifd="${COPROC[1]}"
   butl_manifest_serializer_pid="$COPROC_PID"
+
+  butl_resume_process "$butl_manifest_serializer_pid"
 }
 
 # Finish the manifest serialization co-process.
-- 
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